How to Reboot an HP PSC 2355 Printer (3 Steps)

Press the 'Power' button and wait for the printer to shut down completely if it has not done so already. Wait 60 seconds for the memory to reset. Try to reboot the printer by simply pressing the 'Power' button again.
Unplug the USB and power cables from the back of your HP 2355 printer if it still will not respond. Wait 60 seconds and plug the cords back into your device.
Press the 'Power' button to reboot the printer. The printer will run a quick self-diagnostic test and the lights will flash. All memory will be cleared, and interrupted print jobs should restart.